CN113000808A

CN113000808A - Hydraulic cylinder gland casting device with homogeneity processing structure

Info

Publication number: CN113000808A
Application number: CN202010986641.4A
Authority: CN
Inventors: 方征宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-22

Abstract

The invention relates to the technical field of casting devices, in particular to a hydraulic oil cylinder gland casting device with a homogenizing structure, which comprises a metal liquid insulation box, a support rod, a hydraulic component, a second hydraulic oil cylinder and a feed hopper, wherein the feed hopper is welded on the outer surface of the front end of the metal liquid insulation box, a heat insulation plate is fixed on the upper surface of the metal liquid insulation box through screws, a material guide pipe is fixed on the lower surface of the heat insulation plate through screws, the bottom end of the material guide pipe penetrates through the outer surface of the metal liquid insulation box, the support rod is fixed on the upper surface of the heat insulation plate, the hydraulic component is fixed on the outer surface of the support rod, a connecting pile is fixed at the bottom end of the hydraulic component, the bottom end of the hydraulic component is connected with an upper die component through the connecting pile, the upper die component comprises a. The invention can directly carry out post-treatment in the die, thereby saving the production cost.

Description

Hydraulic cylinder gland casting device with homogeneity processing structure

Technical Field

The invention relates to the technical field of casting devices, in particular to a hydraulic oil cylinder gland casting device with a homogenizing treatment structure.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. Casting is a method in which liquid metal is cast into a casting cavity that conforms to the shape of a part, and after it is cooled and solidified, a part or a blank is obtained.

To this end, chinese patent application No.: cn200880011433.x discloses a method for operating an upper mold in a metal mold casting apparatus, wherein the opening of the upper mold can be stably performed. A method of operating an upper mold with respect to a lower mold in a mold casting apparatus for casting a casting by pouring molten metal in a holding furnace into a mold comprising the upper and lower molds through an addition furnace, the mold casting apparatus comprising a mold opening and closing mechanism provided on a lifting frame, the mold opening and closing mechanism having an upper mold lifting device provided at a lower portion of the upper mold lifting device, the upper mold lifting device lifting the upper mold with respect to the lifting frame and the lower mold to perform mold closing and separation of the upper and lower molds, a space for setting a core and for taking out a product being formed between the upper mold and the lower mold by the lifting of the upper mold lifting device with respect to the lifting frame and by the lifting of the lifting frame with respect to the lower mold, the method comprises the following steps: the molten metal is poured while the lifting frame is kept fixed to the lower mold, and the upper mold is separated from the lower mold by the operation of the upper mold lifting device while the lifting frame is kept fixed to the lower mold.

However, the cooling method is the same as that of the conventional casting equipment, and the cooling liquid in the die is cooled by using high pressure generated during die casting, so that the molten metal in the die cavity can be rapidly cooled and formed, but the molten metal is not uniformly cooled by rapid cooling, so that sand holes and the like are easily generated, post-processing is required after forming, and the manufacturing cost is increased.

Disclosure of Invention

The invention aims to provide a hydraulic oil cylinder gland casting device with a homogenizing treatment structure, which aims to solve the problems that the cooling temperature is not uniform, post-treatment is required after forming and the manufacturing cost is increased in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic cylinder gland casting device with a homogenizing structure comprises a metal liquid heat insulation box, a supporting rod, a hydraulic assembly, a second hydraulic cylinder and a feeding hopper, wherein the feeding hopper is welded on the outer surface of the front end of the metal liquid heat insulation box, a heat insulation plate is fixed on the upper surface of the metal liquid heat insulation box through screws, a material guide pipe is fixed on the lower surface of the heat insulation plate through screws, the bottom end of the material guide pipe penetrates through the outer surface of the metal liquid heat insulation box, the supporting rod is fixed on the upper surface of the heat insulation plate, the hydraulic assembly is fixed on the outer surface of the supporting rod, a connecting pile is fixed at the bottom end of the hydraulic assembly, the bottom end of the hydraulic assembly is connected with an upper die assembly through the connecting pile, the upper die assembly comprises a bottom die, a die cover and an electric push rod, the bottom die is welded and fixed with the, the cooling liquid flowing groove is formed in the bottom die, a first three-way valve and a second three-way valve are fixed on the outer surface of the die cover, inner cavities of the first three-way valve and the second three-way valve are communicated with the inner cavity of the cooling liquid flowing groove, the structure of the first three-way valve is the same as that of the second three-way valve, the second three-way valve comprises a valve body, the bottom end of the valve body is connected with the die cover in a screwing mode, one end of the valve body is integrally connected with a first liquid inlet pipe, the other end of the valve body is integrally connected with a second liquid inlet pipe, the inner part of the valve body is connected with a valve core through an articulated shaft, the outer surface of the valve core is abutted against the inner wall of the valve body, the outer surface of the die cover is connected with a first gear through an articulated shaft, a rack is meshed with the outer surface of the first gear, a connecting block, the electric push rod is fixedly connected with the outer surface of the connecting pile through screws, a second hydraulic cylinder is fixed on the upper surface of the heat insulation plate, a lower die is fixed on the output end of the second hydraulic cylinder through screws, an air inlet pipe is fixed on the outer surface of one side of the metal liquid heat insulation box, an air outlet pipe is fixed on the outer surface of the other side of the metal liquid heat insulation box, and an electromagnetic valve is sleeved on the outer surface of the air outlet pipe.

Preferably, the outer surface of the molten metal heat preservation box is sleeved with a heat storage box, one end, deviating from the electromagnetic valve, of the air outlet pipe is inserted into the inner side of the heat storage box, fins are uniformly welded on the inner wall of the heat storage box, through holes are uniformly formed in the outer surface of the fins, and the outer surface of the heat storage box is connected with a one-way valve in a screwing mode.

Preferably, the surface swing joint of bracing piece has automatic material returned mechanism, automatic material returned mechanism includes the tray, and on the surface of bracing piece was located to the tray cover, the lower surface integration of tray is connected with the driving ring, the bottom butt of driving ring has first spring, and first spring housing locates on the bracing piece, the bottom butt of first spring has the spacing ring, the spacing ring cup joints on the bracing piece.

Preferably, the tray deviates from the one end of driving ring and is provided with solid fixed ring, gu fixed ring cover is located on the surface of bracing piece, gu fixed ring's inner wall integration connection lug, the spout has been seted up on the surface of bracing piece, lug and spout sliding connection, gu fixed ring's surface has servo motor through the screw fixation, servo motor's output has cup jointed the second gear, and second gear and driving ring meshing.

Preferably, the last fixed surface of tray has the material returned board, the material returned board by spud pile, torsional spring, articulated shaft with hit the board and constitute, hit the board and pass through articulated shaft and spud pile swing joint, the cover is equipped with the torsional spring on the articulated shaft, the both ends of torsional spring respectively with hit the board and articulated shaft be connected fixedly, the spud pile is fixed with the last surface connection of tray.

Preferably, the hydraulic assembly comprises a fixing frame, the outer surface of the fixing frame is fixedly connected with the supporting rods through bolts, the number of the supporting rods is four, and the four supporting rods are arranged at four corners of the fixing frame.

Preferably, the outer surface of the fixing frame is provided with guide rods in a penetrating mode, the top ends of the guide rods are fixedly provided with connecting frames through screws, the bottom ends of the guide rods are fixedly provided with connecting discs through screws, the upper surface of each connecting pile is fixedly connected with the connecting discs through screws, the upper surface of the fixing frame is fixedly provided with a first hydraulic oil cylinder through screws, the output end of the first hydraulic oil cylinder is fixedly connected with the connecting frames through screws, the number of the guide rods is two, and the guide rods are arranged on two sides of the first hydraulic oil cylinder.

Preferably, the cooling liquid flowing grooves are arranged in an S shape, and the internal structure of the lower die is the same as that of the upper die assembly.

Preferably, the bottom shape of the bottom die is matched with the upper surface shape of the lower dies, the number of the lower dies is two, and the two lower dies are arranged on two sides of the upper die assembly.

Compared with the prior art, the invention has the beneficial effects that: this hydraulic cylinder gland casting device with homogeneity processing structure can directly carry out the aftertreatment in the mould, practices thrift manufacturing cost, has automatic demoulding structure, improves production efficiency.

(1) The first three-way valve and the second three-way valve are fixed on the die cover, so that external cooling liquid can enter a cooling liquid flow groove through the first three-way valve to flow and then be discharged through the second three-way valve, the first liquid inlet pipe and the second liquid inlet pipe are respectively fixed on the valve body, the connecting block is driven by the electric push rod to move left and right, the rack can be driven to move left and right, the rack drives the first gear to rotate, the first gear drives the valve core to rotate in the valve body, the first liquid inlet pipe or the second liquid inlet pipe can be switched to be communicated with the cooling liquid flow groove, constant-temperature cooling liquid enters the first liquid inlet pipe, the temperature in the bottom die can be reduced, the temperature in a die cavity formed by the bottom die and the lower die is in a constant-temperature state, the metal liquid is in a semi-solidification and semi-liquid state, solid solutions with uniformly distributed internal materials are obtained, a casting has stable organization and, and then the second liquid inlet pipe is switched to be communicated with the cooling liquid flowing groove, so that strong cooling liquid enters the cooling liquid flowing groove, the solid solution is rapidly cooled and formed, and the problems that post-treatment is needed after mold stripping, and the manufacturing cost is increased are solved.

(2) Through servo motor drive second gear, make the second gear drive transmission ring rotate, make the transmission ring drive the tray and rotate under the cope match-die assembly, when the tray rotates under the cope match-die assembly, the casting that the cover was established on the material returned board can collide the cope match-die assembly, the casting receives vibrations drawing of patterns and falls on the tray, tray surface weight increases, the tray descends under the meeting, make the casting thoroughly break away from the cope match-die assembly, rethread servo motor drive second gear gyration, make the tray hold up the casting and keep away from the cope match-die assembly, reach the effect of automatic drawing of patterns, and then improve production efficiency.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic front view of the automatic material returning mechanism of FIG. 1 according to the present invention;

FIG. 4 is a schematic top view of the tray of FIG. 3 according to the present invention;

FIG. 5 is a schematic sectional view of the upper mold assembly and the lower mold of FIG. 1 in combination with the present invention;

FIG. 6 is a schematic top cross-sectional view of the bottom mold of FIG. 5 according to the present invention;

FIG. 7 is a side cross-sectional view of the second three-way valve of FIG. 5 according to the present invention;

fig. 8 is a schematic top view of the second three-way valve of fig. 5 according to the present invention.

In the figure: 1. a molten metal incubator; 2. a support bar; 3. a hydraulic assembly; 301. a fixed mount; 302. a guide bar; 303. a connecting frame; 304. a first hydraulic cylinder; 305. a connecting disc; 4. connecting piles; 5. an upper die assembly; 501. bottom die; 502. a mold cover; 503. a coolant flow tank; 504. a first three-way valve; 505. a second three-way valve; 5051. a valve body; 5052. a valve core; 5053. a first liquid inlet pipe; 5054. a second liquid inlet pipe; 506. a first gear; 507. a rack; 508. an electric push rod; 509. connecting blocks; 6. an automatic material returning mechanism; 601. a tray; 602. a first spring; 603. a limiting ring; 604. a drive ring; 605. a fixing ring; 606. a servo motor; 607. a second gear; 608. a material returning plate; 7. a second hydraulic cylinder; 8. a lower die; 9. a heat insulation plate; 10. a material guide pipe; 11. an air inlet pipe; 12. an air outlet pipe; 13. an electromagnetic valve; 14. a heat storage box; 15. a fin; 16. a one-way valve; 17. a feed hopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a hydraulic cylinder gland casting device with a homogenization structure according to an embodiment of the present invention includes a molten metal insulation box 1, a support rod 2, a hydraulic assembly 3, a second hydraulic cylinder 7, and a feed hopper 17, the feed hopper 17 is welded to an outer surface of a front end of the molten metal insulation box 1, an insulation board 9 is fixed to an upper surface of the molten metal insulation box 1 through screws, a material guiding pipe 10 is fixed to a lower surface of the insulation board 9 through screws, a bottom end of the material guiding pipe 10 penetrates through an outer surface of the molten metal insulation box 1, the support rod 2 is fixed to an upper surface of the insulation board 9, the hydraulic assembly 3 is fixed to an outer surface of the support rod 2, a connecting pile 4 is fixed to a bottom end of the hydraulic assembly 3, the bottom end of the hydraulic assembly 3 is connected to an upper mold assembly 5 through the connecting pile 4, the upper mold assembly 5 includes a bottom mold 501, a mold, the upper surface of the mold cover 502 is fixedly connected with the bottom end of the connecting pile 4 through a bolt, the bottom mold 501 is internally provided with a cooling liquid flow groove 503, the outer surface of the mold cover 502 is fixedly provided with a first three-way valve 504 and a second three-way valve 505, the inner cavities of the first three-way valve 504 and the second three-way valve 505 are communicated with the inner cavity of the cooling liquid flow groove 503, the structure of the first three-way valve 504 is the same as that of the second three-way valve 505, the second three-way valve 505 comprises a valve body 5051, the bottom end of the valve body 5051 is screwed and connected with the mold cover 502, one end of the valve body 5051 is integrally connected with a first liquid inlet pipe 5053, the other end of the valve body 5051 is integrally connected with a second liquid inlet pipe 5054, the inside of the valve body 5051 is connected with a valve core 5052 through a hinge shaft 5052, the outer surface of the valve core 5052 is abutted against the inner wall of the valve body, the outer surface of rack 507 has cup jointed connecting block 509, and the one end that connecting block 509 deviates from rack 507 is connected fixedly with the output of electric push rod 508, electric push rod 508 passes through the screw and is connected fixedly with the outer surface of connecting pile 4, electric push rod 508 can drive connecting block 509 and move about, make connecting block 509 drive rack 507 move about, rack 507 can stir first gear 506 and rotate, make first gear 506 control valve core 5052 rotatory in valve body 5051, switch first feed liquor pipe 5053 or second feed liquor pipe 5054 and coolant liquid flow groove 503 intercommunication.

The upper surface of the heat insulation plate 9 is fixed with a second hydraulic oil cylinder 7, the output end of the second hydraulic oil cylinder 7 is fixed with a lower die 8 through screws, the outer surface of one side of the metal liquid heat insulation box 1 is fixed with an air inlet pipe 11, the outer surface of the other side of the metal liquid heat insulation box 1 is fixed with an air outlet pipe 12, the outer surface of the air outlet pipe 12 is sleeved with an electromagnetic valve 13, and the electromagnetic valve 13 plays a role in controlling the opening and closing of an air outlet channel of the air.

Further, as shown in fig. 2, the outer surface of the molten metal heat preservation box 1 is sleeved with the heat storage box 14, one end of the air outlet pipe 12 departing from the electromagnetic valve 13 is inserted into the inner side of the heat storage box 14, fins 15 are uniformly welded on the inner wall of the heat storage box 14, through holes are uniformly formed in the outer surface of the fins 15, the outer surface of the heat storage box 14 is screwed with a one-way valve 16, the one-way valve 16 can give out air in one direction, when the air pressure in the heat storage box 14 is too large, the air can be discharged outwards through the one-way valve 16, the air is communicated with the heat storage box 14 through the air outlet pipe 12, the air discharged from the molten metal heat preservation box 1 can be guided into the heat storage box.

Further, as shown in fig. 3, the outer surface of the supporting rod 2 is movably connected with an automatic material returning mechanism 6, the automatic material returning mechanism 6 includes a tray 601, the tray 601 is sleeved on the outer surface of the supporting rod 2, the lower surface of the tray 601 is integrally connected with a driving ring 604, the bottom end of the driving ring 604 is abutted with a first spring 602, the first spring 602 is sleeved on the supporting rod 2, the bottom end of the first spring 602 is abutted with a limiting ring 603, the limiting ring 603 is sleeved on the supporting rod 2, the first spring 602 plays a role of providing elasticity for the driving ring 604, so that the tray 601 and the driving ring 604 can always keep the state shown in fig. 3 when no external force is applied.

Further, as shown in fig. 3, one end of the tray 601 departing from the transmission ring 604 is provided with a fixing ring 605, the fixing ring 605 is sleeved on the outer surface of the support rod 2, the inner wall of the fixing ring 605 is integrally connected with a convex block, a sliding groove is formed in the outer surface of the support rod 2, the convex block is connected with the sliding groove in a sliding manner, the fixing ring 605 can lift on the support rod 2, but the fixing ring cannot rotate on the support rod 2, the outer surface of the fixing ring 605 is fixed with a servo motor 606 through a screw, the output end of the servo motor 606 is sleeved with a second gear 607, and the second gear 607 is meshed with the transmission ring 604, so that the servo motor 606 can drive the transmission ring 604 to rotate through the second gear 607, and the transmission ring 604.

Further, as shown in fig. 1, a material returning plate 608 is fixed on the upper surface of the tray 601, the material returning plate 608 is composed of a fixed pile, a torsion spring, a hinge shaft and a collision plate, the collision plate is movably connected with the fixed pile through the hinge shaft, the hinge shaft is sleeved with the torsion spring, two ends of the torsion spring are respectively connected and fixed with the collision plate and the hinge shaft, so that the collision plate can swing left and right after being collided, the collision plate repeatedly collides with a collided object, and the fixed pile is connected and fixed with the upper surface of the tray 601.

Further, as shown in fig. 1-2, the hydraulic assembly 3 includes a fixing frame 301, the outer surface of the fixing frame 301 is connected and fixed with the support rods 2 through bolts, the number of the support rods 2 is four, and the four sets of support rods 2 are arranged at four corners of the fixing frame 301, so as to improve the support stability of the fixing frame 301.

Further, as shown in fig. 1-2, guide rods 302 penetrate through the outer surface of the fixing frame 301, a connecting frame 303 is fixed at the top end of each guide rod 302 through a screw, a connecting disc 305 is fixed at the bottom end of each guide rod 302 through a screw, the upper surface of each connecting pile 4 is fixedly connected with the corresponding connecting disc 305 through a screw, a first hydraulic cylinder 304 is fixed on the upper surface of the fixing frame 301 through a screw, the output end of the first hydraulic cylinder 304 is fixedly connected with the connecting frame 303 through a screw, the number of the guide rods 302 is two, and the two groups of guide rods 302 are arranged on two sides of the first hydraulic cylinder 304, so that the first hydraulic cylinder 304 can drive the two groups of guide rods 302 to lift simultaneously through the connecting frame 303, the two groups of guide rods 302 drive the connecting disc.

Further, as shown in fig. 6, the cooling liquid flow grooves 503 are arranged in an "S" shape, the internal structure of the lower mold 8 is the same as that of the upper mold assembly 5, and the cooling liquid flow grooves 503 are formed in an "S" shape, so that the cooling liquid can uniformly flow through the inside of the bottom mold 501, and the bottom mold 501 is heated more uniformly.

Further, as shown in fig. 1 and 5, the bottom shape of the bottom die 501 is matched with the upper surface shape of the lower dies 8, the number of the lower dies 8 is two, the two groups of lower dies 8 are arranged on two sides of the upper die assembly 5, and the two groups of lower dies 8 and the upper die assembly 5 can form a complete hydraulic cylinder gland casting die.

The working principle is as follows: when the mould is used, molten metal is poured into the molten metal insulation can 1 through the feed hopper 17, the first hydraulic cylinder 304 and the second hydraulic cylinder 7 are driven to work through the external control unit, the upper mould component 5 can be respectively pushed to descend, the lower moulds 8 are pushed to be closed, and the upper mould component 5 and the two groups of lower moulds 8 form a complete casting mould.

And then, an external gas supply device inflates the molten metal insulation box 1 through a gas inlet pipe 11, high-pressure gas pushes molten metal to be filled into a material guide pipe 10, and the molten metal is filled into a die cavity formed by the lower die 8 and the upper die assembly 5 through the material guide pipe 10.

The electric push rod 508 drives the connecting block 509 to move left and right, so that the rack 507 can be driven to move left and right, the rack 507 drives the first gear 506 to rotate, the first gear 506 drives the valve core 5052 to rotate in the valve body 5051, the first liquid inlet pipe 5053 or the second liquid inlet pipe 5054 can be switched to be communicated with the cooling liquid flowing groove 503, constant-temperature cooling liquid enters through the first liquid inlet pipe 5053, the temperature in the bottom die 501 can be cooled, the temperature in a die cavity formed by the bottom die 501 and the lower die 8 is in a constant-temperature state, the molten metal is in a semi-solidified and semi-liquid state, solid solution with uniformly distributed internal materials is obtained, and the casting has stable organization and performance.

Then the second liquid inlet pipe 5054 is switched to be communicated with the cooling liquid flowing groove 503, so that strong cooling liquid enters the cooling liquid flowing groove 503 through the second liquid inlet pipe 5054 to be cooled and formed for the second time, finally the second hydraulic oil cylinder 7 and the first hydraulic oil cylinder 304 are recovered simultaneously, so that the upper die assembly 5 drives the forming die to rise, the servo motor 606 drives the second gear 607 to rotate, so that the second gear 607 drives the transmission ring 604 to rotate, the transmission ring 604 drives the tray 601 to rotate to be right below the upper die assembly 5, when the tray 601 rotates to be right below the upper die assembly 5, the stripper plate 608 can collide with the casting sleeved on the upper die assembly 5, the casting is vibrated to be demolded and fall onto the tray 601, the surface weight of the tray 601 is increased, the tray 601 can be pressed down to fall, the casting is completely separated from the upper die assembly 5, and then the second gear 607 is driven by the servo motor 606 to rotate, so that the tray 601 is lifted to be far away from the, the casting can be blown by wind to cool for three times during movement.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hydraulic cylinder gland casting device with homogeneity processing structure, includes metal liquid insulation can (1), bracing piece (2), hydraulic component (3), second hydraulic cylinder (7) and feeder hopper (17), its characterized in that: the front end outer surface welding of molten metal insulation can (1) has feeder hopper (17), the upper surface of molten metal insulation can (1) has heat insulating board (9) through the screw fixation, the lower surface of heat insulating board (9) has passage (10) through the screw fixation, and the bottom of passage (10) runs through the surface of molten metal insulation can (1), the upper surface fixation of heat insulating board (9) has bracing piece (2), the surface fixation of bracing piece (2) has hydraulic assembly (3), the bottom mounting of hydraulic assembly (3) has connecting pile (4), and the bottom of hydraulic assembly (3) is connected with upper die assembly (5) through connecting pile (4), upper die assembly (5) includes die block (501), die cover (502) and electric push rod (508), die block (501) and die cover (502) welded fastening, the upper surface of die cover (502) is connected with the bottom of connecting pile (4) through the bolt and is fixed, a cooling liquid flow groove (503) is formed in the bottom die (501), a first three-way valve (504) and a second three-way valve (505) are fixed on the outer surface of the die cover (502), inner cavities of the first three-way valve (504) and the second three-way valve (505) are communicated with an inner cavity of the cooling liquid flow groove (503), the structure of the first three-way valve (504) is the same as that of the second three-way valve (505), the second three-way valve (505) comprises a valve body (5051), the bottom end of the valve body (5051) is screwed with the die cover (502), one end of the valve body (5051) is integrally connected with a first liquid inlet pipe (5053), the other end of the valve body (5051) is integrally connected with a second liquid inlet pipe (5054), the valve core (5052) is connected in the valve body (5051) through a hinge shaft, the outer surface of the valve core (5052) is abutted against the inner wall of the valve body (5051), the outer surface of the mould cover (502) is connected with a first gear (506) through a hinged shaft, the outer surface of the first gear (506) is engaged with a rack (507), the outer surface of the rack (507) is sleeved with a connecting block (509), and one end of the connecting block (509) departing from the rack (507) is fixedly connected with the output end of the electric push rod (508), the electric push rod (508) is fixedly connected with the outer surface of the connecting pile (4) through screws, a second hydraulic oil cylinder (7) is fixed on the upper surface of the heat insulation plate (9), the output end of the second hydraulic oil cylinder (7) is fixed with a lower die (8) through a screw, an air inlet pipe (11) is fixed on the outer surface of one side of the molten metal heat preservation box (1), and an air outlet pipe (12) is fixed on the outer surface of the other side of the molten metal insulation can (1), and an electromagnetic valve (13) is sleeved on the outer surface of the air outlet pipe (12).

2. The hydraulic ram gland casting device with a homogenizing structure according to claim 1, characterized in that: the outer surface of molten metal insulation can (1) has cup jointed heat accumulation box (14), the one end that outlet duct (12) deviates from solenoid valve (13) is inserted and is located the inboard of heat accumulation box (14), the even welding of inner wall of heat accumulation box (14) has fin (15), the through-hole has evenly been seted up to the surface of fin (15), the surface of heat accumulation box (14) closes soon and is connected with check valve (16).

3. The hydraulic ram gland casting device with a homogenizing structure according to claim 1, characterized in that: the surface swing joint of bracing piece (2) has automatic material returned mechanism (6), automatic material returned mechanism (6) include tray (601), and tray (601) cover locate on the surface of bracing piece (2), the lower surface integration of tray (601) is connected with driving ring (604), the bottom butt of driving ring (604) has first spring (602), and first spring (602) cover is located on bracing piece (2), the bottom butt of first spring (602) has spacing ring (603), spacing ring (603) cup joint on bracing piece (2).

4. The hydraulic ram gland casting device with a homogenizing structure according to claim 3, characterized in that: the tray (601) deviates from one end of the transmission ring (604) and is provided with a fixing ring (605), the fixing ring (605) is sleeved on the outer surface of the supporting rod (2), the inner wall of the fixing ring (605) is integrally connected with a convex block, the outer surface of the supporting rod (2) is provided with a sliding groove, the convex block is in sliding connection with the sliding groove, the outer surface of the fixing ring (605) is fixedly provided with a servo motor (606) through screws, the output end of the servo motor (606) is sleeved with a second gear (607), and the second gear (607) is meshed with the transmission ring (604).

5. The hydraulic ram gland casting device with a homogenizing structure according to claim 4, characterized in that: the upper surface of tray (601) is fixed with material returned board (608), material returned board (608) by spud pile, torsional spring, articulated shaft with hit the board and constitute, hit the board and pass through articulated shaft and spud pile swing joint, the cover is equipped with the torsional spring on the articulated shaft, the both ends of torsional spring respectively with hit the board and articulated shaft connection is fixed, the spud pile is fixed with the upper surface connection of tray (601).

6. The hydraulic ram gland casting device with a homogenizing structure according to claim 1, characterized in that: hydraulic assembly (3) are including mount (301), the surface of mount (301) is connected fixedly through bolt and bracing piece (2), the quantity of bracing piece (2) is four groups, four groups bracing piece (2) are the four corners of mount (301) and arrange.

7. The hydraulic ram gland casting device with a homogenizing structure according to claim 6, characterized in that: the outer surface of mount (301) runs through and is provided with guide arm (302), the top of guide arm (302) is through the screw fixation has link (303), the bottom of guide arm (302) is through the screw fixation has connection pad (305), and the upper surface of connecting pile (4) passes through the screw and is connected fixedly with connection pad (305), the upper surface of mount (301) passes through the screw fixation and has first hydraulic cylinder (304), and the output of first hydraulic cylinder (304) passes through the screw and is connected fixedly with link (303), the quantity of guide arm (302) is two sets of, and two sets of guide arm (302) are the both sides of first hydraulic cylinder (304) and arrange.

8. The hydraulic ram gland casting device with a homogenizing structure according to claim 1, characterized in that: the cooling liquid flowing grooves (503) are arranged in an S shape, and the internal structure of the lower die (8) is the same as that of the upper die assembly (5).

9. The hydraulic ram gland casting device with a homogenizing structure according to claim 1, characterized in that: the bottom shape of die block (501) is identical with the upper surface shape of lower mould (8), the quantity of lower mould (8) is two sets of, and is two sets of lower mould (8) are the both sides of last mould subassembly (5) and arrange.